Home / 81,041,413.69-111,837,126.79-43,871,666.67

Finding the Fourth Proportional to 81,041,413.69, 111,837,126.79 and 43,871,666.67

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Solution

The fourth proportional to 81,041,413.69, 111,837,126.79 and 43,871,666.67 is: 60,542,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,041,413.69 : 111,837,126.79 = 43,871,666.67 : x
  2. Step 2: Convert to fraction form
    81,041,413.69/111,837,126.79 = 43,871,666.67/x
  3. Step 3: Cross multiply
    81,041,413.69x = 111,837,126.79 × 43,871,666.67
  4. Step 4: Simplify right side
    81,041,413.69x = 4,906,481,147,941,884
  5. Step 5: Solve for x
    x = 4,906,481,147,941,884/81,041,413.69
  6. Step 6: Final answer
    x = 60,542,886.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.